Home / 20,238.31-30,360.97-6,198

Finding the Fourth Proportional to 20,238.31, 30,360.97 and 6,198

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Solution

The fourth proportional to 20,238.31, 30,360.97 and 6,198 is: 9,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238.31 : 30,360.97 = 6,198 : x
  2. Step 2: Convert to fraction form
    20,238.31/30,360.97 = 6,198/x
  3. Step 3: Cross multiply
    20,238.31x = 30,360.97 × 6,198
  4. Step 4: Simplify right side
    20,238.31x = 188,177,292.06
  5. Step 5: Solve for x
    x = 188,177,292.06/20,238.31
  6. Step 6: Final answer
    x = 9,298.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.